Design of a Structured Parsing Model for Corporate Bidding Documents Based on Bi-LSTM and Conditional Random Field (CRF)

Author:

Zhang Lijuan1,Chen Lijuan1,Xu Shiyang1,Bai Liangjun2,Niu Jie2,Wu Wanjie2

Affiliation:

1. Materials Branch of Chongqing Electric Power Company of State Grid, China

2. Datagrand Info. Tech. Co., Ltd., China

Abstract

International projects are often realized through the bidding process, but the existence of information exchange barriers in different countries leads to a complex and tedious bidding process. In this paper, the authors study the complex problem of reading bidding documents, combine the artificial intelligence to analyze them in a structured way, and realize the intelligent analysis of bidding documents. Firstly, through the CRF model, the structured analysis of the tender document is carried out according to the title of the tender document, and the extraction of quoted price, technology and commercial part is realized. Secondly, the detailed analysis of quoted price and technology is completed using the Bi-LSTM method, and the main five key feature extraction and analysis are completed. Finally, based on the CRF-Bi-LSTM method, the actual test is carried out, and the correlation coefficient is as high as 0.965. The results show that the structured parsing model proposed has good application prospects.

Publisher

IGI Global

Subject

General Computer Science

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